1981 - PowerSports Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Champion Copper Plus Spark Plugs 431S

Spark Plug, RC14YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Set of 24

Part Number: CPN-431S

Not Yet Reviewed

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WIX Filters Oil Filters 51215

Oil Filter, Canister Style, Black, 3/4-16 in. Female Threads, Filter Bypass Relief Valve, 3.410 in. Height

Part Number: WIX-51215

5.0 out of 5 stars ( 2 )

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5w40 Mobil 1 FS European Car Formula Motor Oil 126232

Engine Oil, FS European Car Formula, Synthetic, 5W-40, API SJ/SL/SM/SN/SN Plus/SP, 1 Quart, Sold as a Set of 6

Part Number: MOB-126232

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

MotoRad Thermostats 300-195

Thermostat, 195 Degrees F, Stainless Steel, Each

Part Number: SNN-300-195

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Dayco High Performance V-Belts 15355

Belt, High Performance, V-Belt, 35.50 in. Length, 0.440 in. Width, Each

Part Number: DAC-15355

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Redhorse Performance Fuel Pump Block-Off Plates 4810-400-2

Fuel Pump Block-Off Plate, Aluminum, Black Anodized, Ford, Each

Part Number: HSE-4810-400-2

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K&N Premium Powersports Oil Filters KN-170

Oil Filter, Powersports, Canister, 3/4 in.-16UNF Thread, 3.70 in. Tall, 2.94 in. OD, for use on Harley-Davidson®, 54ci, 61ci, 67ci, 74ci, 82ci, Each

Part Number: KNN-KN-170

5.0 out of 5 stars ( 3 )

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MotoRad Keyed Alike Locking Fuel Caps MGC233KA

Fuel Tank Cap, Keyed Alike Locking, Plastic, Black, Chevy, GMC, Ford, Dodge, Jeep, Kia, Each

Part Number: SNN-MGC233KA

5.0 out of 5 stars ( 1 )

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JOES Racing Products Expansion Plug Fittings 36200

JOES Racing Products Expansion Plug Fittings 36200

Expansion Plug Fitting, Straight, Aluminum, Red, Block Connection, -8 AN Male Threads, Chevy, Small Block

Part Number: JOE-36200

Not Yet Reviewed

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S&S Cycle Hi-4N Ignitions 550-0502

Ignition System, Hi-4N, Capacitive Discharge, Analog, Coil, Harley-Davidson®, Each

Part Number: SSY-550-0502

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

MotoRad High Flow Thermostats 2006-180

High Flow Thermostat-180 Degrees

Part Number: SNN-2006-180

Not Yet Reviewed

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Mikuni RS Series Carburetors RS40-D1-K

RS SERIES CARBS 40MM

Part Number: MKU-RS40-D1-K

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

K&N Universal Performance Air Filters for 1981-1982 ATC250R - RU-1780

Air Filter Element, Powersports, Round Flange, Angled, 17 Degrees, Clamp-On, Cotton Gauze, Oiled, Red, 3.50 in. OD, 2.06 in. ID, 5.00 in Tall, Each

Part Number: KNN-RU-1780

5.0 out of 5 stars ( 1 )

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Mikuni HSR-48 Carburetor Race Kits 48-2

Valve Body, MIKUNI HSR48 RACE KIT

Part Number: MKU-48-2

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB297.040

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Hella High Wattage Series Halogen Light Bulbs H4 100/55WTB

Light Bulb, High Wattage Series, H4, Halogen, White, 3200K Temperature, 50 Watt Low Beam, Pair

Part Number: HLA-H4100-55WTB

4.5 out of 5 stars ( 4 )

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KB Performance V-Twin Piston and Ring Kits KB294.010

Piston and Ring Kit, Hypereutectic, 3.635 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-010

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-460-24-5

Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Ford, 426/460, Each

Part Number: HSE-4910-460-245

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Fram Motorcycle Full-Flow Lube Spin-On Oil Filters PH6065B

Oil Filter, Full-Flow Lube, Spin-on, Canister Style, Buell, Harley-Davidson®, Each

Part Number: FRM-PH6065B

5.0 out of 5 stars ( 2 )

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Twin Power Round Security Key Ignition Switches 21-5544

Ignition Switch, Round Security Key, Key Lock Cylinder, Constant, Steel, Chrome, Harley-Davidson®, Each

Part Number: TWP-21-5544

Not Yet Reviewed

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Dynatek Dyna 2KI Programmable Ignitions D2KI-5P

SINGLE-FIRE IGNITION & COIL KT

Part Number: DYT-D2KI-5P

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Wiseco 4-Stroke Piston Rings 2658XC

Piston Rings, Chrome, 67.50mm, Honda®, Kawasaki, Yamaha, Each

Part Number: WIS-2658XC

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dynatek 2000 Digital HD2 Ignition Systems DD2000-HD2EP

Ignition System, 2000 HD2, Capacitive Discharge, Digital, Harley-Davidson®, Each

Part Number: DYT-DD2000-HD2EP

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

MotoRad High Flow Thermostats 2006-160

High Flow Thermostat-160 Degrees

Part Number: SNN-2006-160

Not Yet Reviewed

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K&N Premium Powersports Oil Filters KN-170C

Oil Filter, Powersports, Canister, Chrome, 3/4 in.-16UNF Thread, 3.7 in. Tall, 2.9 in. OD, for use on Harley-Davidson®, 54ci, 67ci, 74ci, 82ci, Each

Part Number: KNN-KN-170C

5.0 out of 5 stars ( 9 )

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1981 Parts and Accessories